CVE-2024-39493 in Linux
Zusammenfassung
von MITRE • 10.07.2024
In the Linux kernel, the following vulnerability has been resolved:
crypto: qat - Fix ADF_DEV_RESET_SYNC memory leak
Using completion_done to determine whether the caller has gone away only works after a complete call. Furthermore it's still possible that the caller has not yet called wait_for_completion, resulting in another potential UAF.
Fix this by making the caller use cancel_work_sync and then freeing the memory safely.
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